Green Valley is a city located in South Dakota. Green Valley has a 2020 population of 946. Green Valley is currently declining at a rate of 0.00% annually and its population has increased by 1.94% since the most recent census, which recorded a population of 928 in 2010. Green Valley reached it's highest population of 1,044 in 2017.
The average household income in Green Valley is $56,688 with a poverty rate of 20.82%. The median rental costs in recent years comes to $851 per month, and the median house value is $153,900. The median age in Green Valley is 34.6 years, 41.4 years for males, and 31 years for females. For every 100 females there are 72.9 males.